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> colder spark plugs??
post Oct 16, 2003 - 3:32 AM
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LBCxGUY



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sorry but i dont really know what colder plugs are. i just got a set of denso iriduims spark plugs, and are those colder. i was told to run colder plugs when running nitrous. well thanks!!


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post Oct 16, 2003 - 11:38 AM
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97GTinKC

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Colder plugs will have a shorter ceramic center part, to allow the heat to bleed off into the head quicker, too cold and they may foul, wont keep the carbon burned off (probably not a problem with nitrous) too hot and they can ignite the fuel mixture b4 firing, causing detonation, hotter plugs will have a long, skinny center electrode and ceramic insulator. The middle part number on the plug will change with heat range, ( and some brands, the HIGHER the number, the COLDER the plug, Check b4 you buy, ask to see the catalog, there will be a chart in the back.

This post has been edited by 97GTinKC: Oct 16, 2003 - 11:42 AM

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